Rustler Formation

Operator-reported tops from 26,685 wells across 32 counties, median tops running 385–2,430 ft by county.

Top depth: 440 ft 1,995 ft

9,809 wells shown (sampled from 26,685)

Depth by County

County	Wells	Median Top	Typical Range	CSV
Midland	3,358	1,688 ft	1,492–1,836	↓
Ward	3,046	950 ft	747–1,763	↓
Crane	2,050	556 ft	361–1,102	↓
Ector	1,968	1,520 ft	1,011–1,813	↓
Andrews	1,959	1,728 ft	1,409–2,018	↓
Howard	1,779	1,195 ft	905–1,426	↓
Yoakum	1,732	2,040 ft	1,772–2,274	↓
Yoakum	1,535	2,345 ft	2,150–2,569	↓
Winkler	1,523	950 ft	771–1,150	↓
Hockley	1,382	2,095 ft	1,968–2,250	↓
Pecos	958	1,300 ft	542–1,975	↓
Glasscock	833	1,364 ft	1,118–1,470	↓
Upton	637	1,018 ft	940–1,505	↓
Borden	518	1,168 ft	520–1,429	↓
Reeves	513	997 ft	765–1,853	↓
Terry	472	2,430 ft	2,298–2,540	↓
Martin	404	1,609 ft	1,375–2,018	↓
Cochran	374	2,255 ft	2,084–2,340	↓
Culberson	365	385 ft	186–586	↓
Dawson	239	2,115 ft	1,597–2,210	↓
Loving	232	607 ft	488–992	↓
Reagan	153	1,188 ft	964–1,411	↓
Scurry	148	566 ft	486–646	↓
Crosby	109	1,180 ft	999–1,326	↓
Hale	108	1,531 ft	1,501–1,580	↓
Lubbock	80	1,607 ft	1,444–1,873	↓
Garza	60	932 ft	615–1,380	↓
Crockett	55	1,125 ft	524–1,222	↓
Lamb	36	1,627 ft	1,600–1,778	↓
Mitchell	25	734 ft	542–798	↓
Irion	22	777 ft	696–1,009	↓
Lynn	12	1,718 ft	1,466–1,973	↓

Counties with fewer than 5 wells omitted. Depths are measured depth as filed; typical range is the 10th–90th percentile of reported tops — raw filings contain occasional typo depths, so extremes are not shown.